Our Bird Population Studies (BPS) program conducts research that seeks to
understand how the distribution and abundance of birds varies through time
and space. Currently, two very active areas of research are the effects of
disease on bird populations, and causes of variation in nesting success of
birds from north to south through North America. Much of this work involves
analysis of data collected by the Lab's citizen scientists. BPS scientists
publish their findings in peer-reviewed journals and present their findings
at scientific meetings throughout the world. Learn more about what BPS does.